| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. V Anton vs K Dehmelt |
| 1-0 | 43 | 1991 | CAN jub70 corr9195 | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 52. K Dehmelt vs I R Ortiz Suarez |
| 1-0 | 76 | 2015 | 9th Philadelphia Open | B44 Sicilian |
| 53. D Ippolito vs K Dehmelt |
| ½-½ | 48 | 2015 | 9th Philadelphia Open | E32 Nimzo-Indian, Classical |
| 54. K Dehmelt vs M Mulyar |
| ½-½ | 8 | 2015 | 9th Philadelphia Open | C52 Evans Gambit |
| 55. A Ostrovskiy vs K Dehmelt |
| 1-0 | 38 | 2016 | 54th Baltimore Open | C78 Ruy Lopez |
| 56. K Dehmelt vs S Erenburg |
| ½-½ | 156 | 2016 | 54th Baltimore Open | C45 Scotch Game |
Kibitzing
